package cn.tedu.ivos.user.service.impl;

import cn.tedu.ivos.base.exception.ServiceException;
import cn.tedu.ivos.base.response.StatusCode;
import cn.tedu.ivos.base.util.PasswordUtil;
import cn.tedu.ivos.user.mapper.UserMapper;
import cn.tedu.ivos.user.pojo.dto.UserLoginParam;
import cn.tedu.ivos.user.pojo.dto.UserQuery;
import cn.tedu.ivos.user.pojo.dto.UserSaveParam;
import cn.tedu.ivos.user.pojo.entity.User;
import cn.tedu.ivos.user.pojo.vo.UserVO;
import cn.tedu.ivos.user.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

@Service //表明当前类为业务层实现类，交给Spring管理并被识别到，方便注入
@Slf4j
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;
    @Override
    public UserVO login(UserLoginParam userLoginParam) {
        log.debug("用户登录:UserLoginParam={}", userLoginParam);
        UserVO userVO = userMapper.selectByUsernameAndPassword(userLoginParam.getUsername());
        if(userVO == null){
            throw new ServiceException(StatusCode.USERNAME_ERROR);
        }
        if(!userVO.getPassword().equals(userLoginParam.getPassword())){
            throw new ServiceException(StatusCode.PASSWORD_ERROR);
        }
        log.debug("用户查询结果:UserVO={}", userVO);
        return userVO;
    }

    @Override
    public List<UserVO> selectUser(UserQuery userQuery) {
        log.debug("用户查询:UserQuery={}", userQuery);
        List<UserVO> list = userMapper.selectUser(userQuery);
        return list;
    }

    @Override
    public void saveUser(UserSaveParam userSaveParam) {
        log.debug("用户保存:UserSaveParam={}", userSaveParam);
        User user = new User();
        BeanUtils.copyProperties(userSaveParam, user);
        if(user.getId()==null) {
            user.setPassword("123456");
            user.setCreateTime(new Date());
            userMapper.insertUser(user);
        } else {//更新
            user.setUpdateTime(new Date());
            userMapper.update(user);
        }
    }


    @Override
    public void resetPassword(Long userId) {
        log.debug("重置密码:userId{}", userId);
        User user = new User();
        user.setId(userId);
//        user.setPassword("root");
        user.setPassword(PasswordUtil.generateRandomPassword(7));
        log.debug("新的密码：password={}"+user.getPassword());
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void updateStatus(Long userId, String status) {
        log.debug("更新用户状态:userId={},status={}", userId, status);
        User user = new User();
        user.setId(userId);
        user.setStatus(status);
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void deleteUser(Long userId) {
        log.debug("删除用户:userId={}", userId);
        userMapper.deleteUser(userId);
    }
}
